S
M
T
W
T
F
S
29
37°
17°
30
28°
21°
31
29°
17°
1
36°
14°
2
38°
30°
3
40°
29°
4
45°
30°
5
42°
20°
6
28°
15°
7
33°
18°
8
40°
29°
9
40°
25°
10
47°
30°
11
52°
30°
12
45°
35°
13
41°
30°
14
49°
32°
15
62°
31°
16
32°
19°
17
27°
15°
18
32°
15°
19
37°
18°
20
63°
30°
21
66°
41°
22
73°
54°
23
70°
35°
24
44°
29°
25
42°
28°
26
44°
28°
27
46°
29°
28
47°
30°
29
52°
32°
30
51°
32°
1
53°
33°
2
54°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in La Salle
La Salle's April 2026 forecast shows daily high temperatures ranging from 42° to 73°, with overnight lows between 28° and 54°. The average high for April is 54° with an average low of 34°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in La Salle. See also: May | June | July.